问题描述: 帮我编C语言,从键盘输入矩形的长和宽,计算矩形的周长和面积. 1个回答 分类:综合 2014-12-11 问题解答: 我来补答 #include int main(){double width;double height;printf("请输入矩形的长:");scanf("%lf%*c",&height);printf("请输入矩形的宽:");scanf("%lf%*c",&width);printf("矩形周长:%lf\n",2 * (height + width));printf("矩形面积:%lf\n",height * width);return 0;} 展开全文阅读